HYDRAZINE MOLYBDATE REAGENT

METHOD OF PREPARATION: 

Dissolve 0.1 gm ammonium Molybdate in 10 ml water containing 1.5 ml of Sulphuric acid. Dilute to about 90 ml with water & add 1 ml of 0.15 % w/v solution of Hydrazine Sulphate & sufficient water to produce 100 ml.

[Store this solution at room temperature in Borosil glass bottles with well-fitted suitable stopper.]